As far as I've noticed, her lower belly may be a little more enlarged than usual. I'm not 100% certain about that though. Her droppings have been a bit runny but I haven't seen any recently, those are only from a few hours ago. I'll make sure to check her crop in the morning. We've been doing...
We have one hen who's a bit older than all the other hens. She's our only Ameraucana chicken, so we can tell when she's laying, and we figure she's pretty much done laying since it's been over a month since she's laid an egg (which was very small in size) and she rarely lays at all anymore...